Methods A series of 12 patients with dumbbell tumors of the high cervical spine were treated by using microsurgical techniques through posterior approach or antero-lateral approach.

• 方法12例高颈段哑铃型椎管肿瘤患者分别采用颈后正中切口及颈前外侧切口,在显微镜下切除肿瘤。